Charles E Hill Assoc v. Amazon.com Inc, et al, No. 2:02-cv-00186 (E.D. Tex. Oct. 7, 2005)

From the Opinion

The passage below is extracted verbatim from the opening of the document. It has not been editorially summarized — consult the full opinion for the court's complete reasoning.

The court issues this memorandum opinion and order to resolve the parties’ various claim construction disputes. 1. Introduction. The plaintiff, Charles E. Hill & Assoc., Inc. (“Hill”), asserts various claims of three patents against defendants, operators of Internet-based shopping sites. The patents, related as parent, child, and grandchild, include United States Patent No. 5,528,490 (“the ‘490 patent”), United States Patent No. 5,761,649 (“the ‘649 patent”) and United States Patent No. 56, 049, 142 (“ the ‘142 patent”).